“Zankoku na Tenshi no Thesis” is a single released by Takahashi Yoko. The title tracks used as the opening to the anime series Shinseiki Evangelion. It was re-released on the same day with CLAIRE’s single “Fly Me to The Moon”.

Neon Genesis Evangelion is a Japanese mecha anime television series produced by Gainax and Tatsunoko Production and directed by Hideaki Anno, and was broadcast on TV Tokyo from October 1995 to March 1996